Drive tray
An exemplary drive tray includes parallel side members; at least one end member connected to the parallel side members where the members collectively form a resilient, substantially rectangular frame for receipt of a drive body; and a pair of parallel side walls extending in a direction normal to a plane defined by the frame where the pair of parallel side walls include engagement features to engage opposing sides of a drive body. Various other apparatuses, systems, methods, etc., are also disclosed.
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Subject matter disclosed herein generally relates to drive trays and heat transfer.
BACKGROUNDA conventional computer is an assembly of parts or components. For example, a conventional computer typically includes a variety of components installed in a housing (e.g., a frame, a case, etc.). Such components may include a motherboard, memory and one or more media drives. Often, a media drive is seated in a drive tray where the drive and tray assembly can be readily inserted into, or removed from, a housing. As described herein, various exemplary drive tray features can enhance heat transfer between a fluid (e.g., air) and a media drive.
SUMMARYAn exemplary drive tray includes parallel side members; at least one end member connected to the parallel side members where the members collectively form a resilient, substantially rectangular frame for receipt of a drive body; and a pair of parallel side walls extending in a direction normal to a plane defined by the frame where the pair of parallel side walls include engagement features to engage opposing sides of a drive body. Various other apparatuses, systems, methods, etc., are also disclosed.
Features and advantages of the described implementations can be more readily understood by reference to the following description taken in conjunction with the accompanying drawings.
The following description includes the best mode presently contemplated for practicing the described implementations. This description is not to be taken in a limiting sense, but rather is made merely for the purpose of describing the general principles of the implementations. The scope of the described implementations should be ascertained with reference to the issued claims.
In the example of
In the example of
As described herein, the frame 230 is resilient to allow for receipt of a drive body between the side walls 225-1 and 225-2. For example, the frame 230 is configured to allow the side walls 225-1 and 225-2 to engage opposing sides of a drive body, which allows the dampers 227-1 and 227-2 to damp vibrations that could be transmitted from a housing to the tray 220. Such an arrangement can also damp vibrations that could be transmitted from a drive body to the tray 220. Accordingly, the frame 230 is not intended to interfere with the ability of engagement features to engage opposing sides of a drive body.
While an exemplary frame is generally positioned intermediate top and bottom sides of a drive body, a frame may extend a small amount in a direction normal to a top side of a drive body (e.g., along a fluid flow direction that would not have any significant impact on fluid flow across the top side of the drive body).
In the example of
Additionally,
As described herein, an exemplary tray can include tool-less engagement features that capture a drive body and can include features that tool-lessly engage the tray with a bay or housing (see, e.g., features 228-1 and 228-2). Tool-less engagement features allow a user to readily install and remove a drive body from a housing, case, frame, etc.
The plot 540 shows approximate axial velocities versus axial distance (e.g., Z direction) for fluid flowing adjacent a drive body seated in a conventional tray (see, e.g.,
With respect to installation of multiple drives, some manufacturers recommend installing a first drive in a lower position, installing a second drive in an upper position and installing any additional drive in a middle position, as it can reduce adjacent heating (e.g., given three bays, for single and dual HDD configurations a HDD is not directly adjacent to another HDD). In various examples, a drive may be a HDD, a SDD, or other type of media drive.
Accordingly, a computer manufacturer may choose to alter specifications for an air mover such as a fan based on use of one or more exemplary trays. Such a decision may reduce energy usage of the computer. In another example, a controller may sense temperature and actuate an air mover responsive to an increase in temperature. Where exemplary trays are used, the air mover may reduce the temperature more quickly (compared to conventional tray usage) and allow for shorter actuation periods for the air mover, which, in turn, can reduce energy usage. As indicated in the plot 640, operation of a system may simply act to reduce temperature of one or more drives, which, in turn, may extend the operational lifetime of the one or more drives.
As described herein, an exemplary tray provides an open, unimpeded volumetric space adjacent a side of a drive body. Where three or more drive body and drive tray assemblies are stacked, use of exemplary trays allows open volumetric spaces above and below middle drives as the exemplary trays do not introduce any blockage between the drives.
As described herein, an assembly includes a rectangular drive body that has a top side, a bottom side and four side walls and a drive tray that includes a resilient frame configured for receipt of the drive body intermediate the top side and the bottom side and a pair of parallel side walls with dampers configured to contact two of the four side walls of the drive body and to damp vibrations between the drive tray and the drive body. An assembly may include additional components, for example, the foregoing assembly may include a second rectangular drive body and a second drive tray where the second drive body is received by the second drive trays.
Where an exemplary assembly includes two or more drive bodies seated in respective drive trays, components may be arranged in a stack with an air flow channel between adjacent drive bodies where the air flow channel is unimpeded by the frames of the drive trays.
As described herein, a drive body may be defined by a length and a width where the product of the length and the width approximates a heat transfer surface area for the drive body and where the heat transfer surface defines a boundary of an air flow channel unimpeded by a frame of a drive tray.
An exemplary system may includes a stack formed by one or more drive body and drive tray assemblies and an air mover configured to draw air into one or more air flow channel between adjacent assemblies. Such a system may include a housing to house the stack and the air mover. Further, such a housing may include two or more drive bays configured for receipt of the drive bodies (e.g., as received by the drive trays). An exemplary tray may include rails along parallel side walls that are configured for receipt by a drive bay (e.g., of a housing).
As described herein, an exemplary method may include sensing a temperature and drawing air responsive to the sensing, for example, where the sensing senses temperature in at least one air flow channel. With respect to heat transfer, a drive body may be defined by a length and a width where the product of the length and the width approximates a heat transfer surface area for the drive body. For a stack of drive bodies, one or more channels may be defined in part by a heat transfer surface of a respective one of the drive bodies.
Although some exemplary methods, devices, systems, arrangements, etc., have been illustrated in the accompanying Drawings and described in the foregoing Detailed Description, it will be understood that these examples as disclosed are not limiting, but are capable of numerous rearrangements, modifications and substitutions without departing from the spirit set forth and defined by the following claims.
Claims
1. An assembly comprising:
- a drive body; and
- a drive tray component that receives the drive body and that comprises a resilient, rectangular frame that defines an open x,z-plane therein and that comprises opposing end members connected to opposing side members without a cross-member bridge, the frame dimensioned for receipt of the drive body in a y direction orthogonal to the open x,z-plane from above or below the open x,z-plane, the drive body having a drive body height dimension wherein the resilient, rectangular frame comprises an upper edge, a lower edge and a frame height dimension defined between the upper edge and the lower edge and wherein the frame height dimension is less than the drive body height dimension; and a pair of parallel side walls that extend from the opposing side members of the frame wherein each of the parallel side walls comprises at least one engagement feature that engages the drive body and a rail edge.
2. The assembly of claim 1 wherein the engagement features comprise at least one tool-less engagement feature.
3. The assembly of claim 2 wherein the tool-less engagement features comprise dampers configured to damp transmission of vibration energy.
4. An assembly comprising:
- a drive body that comprises an aft side, a fore side, lateral sides, a top side, a bottom side and a drive height dimension defined between the top side and the bottom side;
- a drive tray component that receives the drive body and that comprises a resilient, rectangular frame that defines an open x,z-plane therein and that comprises opposing end members connected opposing side members without a cross-member bridge, the frame dimensioned for receipt of the drive body in a y direction orthogonal to the open x,z-plane from above or below the open x,z-plane wherein the frame comprises an upper edge, a lower edge and a frame height dimension defined between the upper edge and the lower edge wherein the upper edge is positioned proximate to the top side of the drive body and the lower edge is positioned intermediate the top side and the bottom side of the drive body, and a pair of parallel side walls that extend from the opposing side members of the frame wherein each of the parallel side walls comprises at least one engagement feature that engages the drive body and a rail edge.
5. The assembly of claim 4 further comprising a second rectangular drive body and a second drive tray wherein the second drive body is received by the second drive tray.
6. The assembly of claim 5 wherein the drive bodies, as received by the drive trays, are arranged in a stack wherein the stack comprises an air flow channel between adjacent drive bodies, the air flow channel being unimpeded by the frames of the drive trays.
7. The assembly of claim 6 wherein one of the rectangular drive bodies comprises a length and a width wherein the product of the length and the width approximates a heat transfer surface area for the drive body and wherein the heat transfer surface defines a boundary of the air flow channel.
8. The assembly of claim 6 further comprising an air mover configured to draw air into the air flow channel.
9. The assembly of claim 8 further comprising a housing to house the stack and the air mover.
10. The assembly of claim 9 wherein the housing comprises two or more drive bays configured for receipt of the drive bodies, as received by the drive trays.
11. The assembly of claim 4 wherein the drive tray further comprises one or more finger grips.
12. The assembly of claim 4 further comprising a housing that comprises a plurality of drive bays wherein the rail edge of each of the parallel side walls of the drive tray engages the housing to position the drive tray in one of the plurality of drive bays.
13. A method comprising:
- providing a housing that comprises adjacent drive bays, each drive bay holding a rectangular drive body disposed intermediate a top side and a bottom side in a resilient, rectangular frame of a slidably removable drive tray wherein the frame defines an open x,z-plane therein and comprises opposing end members connected to opposing side members without a cross-member bridge, the frame dimensioned for receipt of the drive body in a y direction orthogonal to the open x,z-plane from above or below the open x,z-plane wherein the frame comprises an upper edge, a lower edge and a frame height dimension defined between the upper edge and the lower edge wherein the upper edge is positioned proximate to the top side of the drive body and the lower edge is positioned intermediate the top side and the bottom side of the drive body and wherein the slidably removable drive tray comprises a pair of parallel side walls that extend from the opposing side members of the frame wherein each of the parallel side walls comprises at least one engagement feature that engages the drive body and a rail edge; and
- drawing air into the housing wherein the air flows in channels defined by and between adjacent drive bodies, the channels unimpeded by the drive trays to enhance removal of heat from the drive bodies.
14. The method of claim 13 further comprising sensing a temperature and drawing air responsive to the sensing.
15. The method of claim 14 wherein the sensing comprises sensing temperature in at least one of the air flow channels.
16. The method of claim 13 wherein each drive body comprises a length and a width wherein the product of the length and the width approximates a heat transfer surface area for the drive body.
17. The method of claim 16 wherein each of the channels is defined in part by a heat transfer surface of a respective one of the drive bodies.
18. The method of claim 13 wherein the drawing air comprises expelling air from the housing.
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Type: Grant
Filed: Mar 23, 2010
Date of Patent: May 3, 2016
Patent Publication Number: 20110234064
Assignee: Lenovo (Singapore) Pte. Ltd. (Singapore)
Inventors: Albert V. Makley (Morrisville, NC), William F. Martin-Otto (Apex, NC), Marc R. Pamley (Durham, NC), Timothy S. Farrow (Cary, NC)
Primary Examiner: Steven B McAllister
Assistant Examiner: Jonathan Cotov
Application Number: 12/729,430
International Classification: H05K 5/00 (20060101); G11B 33/12 (20060101); G06F 1/18 (20060101); G11B 33/08 (20060101); G11B 33/14 (20060101);